ArticleMolecular therapy. Nucleic acids2025
Extracellular viral microRNAs as biomarkers of virus infection in human cells.
Article in Molecular therapy. Nucleic acids, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Epstein-Barr virus functional RNAs as part of its immune evasion strategy: a role for EBER1?Open biology · 2025Review
- Molecular mechanisms of HCMV-driven vascular remodeling and its significance in cardiovascular diseases.Archives of microbiology · 2025Review
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Authors and funding
11 authors.
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Abstract
Nucleic acid amplification tests (NAATs) have enabled fast and sensitive detection of virus infections but are unable to discriminate between live and dead/inert viral fragments or between latent and reactivated virus infections. Here, we show that extracellular viral microRNAs (viral exmiRs) are cell-free candidate biomarkers of live, latent, and reactivated virus infections, achieving fast (under 1 day) and sensitive (30 attomolar [aM]) detection by quantitative real-time reverse transcription PCR (real-time RT-qPCR). We report that spent-media-derived Epstein-Barr virus (EBV) miR-BART10-3p and herpes simplex virus 1 (HSV-1) miR-H5 are biomarkers of live EBV-2 and HSV-1 infection of T cell cultures, respectively. We identified extracellular human herpesvirus 6 (HHV-6) miR-Ro6-4 as a biomarker of endogenous latent HHV-6 in healthy human donor T cell cultures and identified human cytomegalovirus (HCMV) miR-US5-2-5p and miR-US22-5p as plasma biomarkers of endogenous latent HCMV infection. Viral exmiR profiling of spent media from EBV- and HHV-8-reactivated B cell models revealed specific signatures of elevated EBV miR-BHRF1-2-3p and HHV-8 miR-K12-10a-3p, miR-K12-10b, and miR-K12-12-3p, respectively, during virus reactivation. Our study thus suggests the utility of viral exmiR biomarkers in enabling NAAT-based detection of live, endogenous latent, and reactivated virus infections of cells.
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